November 17, 2019. Early in the morning, Hong Kong police surrounded the PolyU campus to dissolve the protesters. The siege continued until November 18th morning, and it was one of the most crucial events in 2019-2020 Hong Kong protests.

Protesters at PolyU are clashing with the police in front of the university.

Protesters at PolyU are observing the police.

Protesters at PolyU are observing the police.

Protesters at PolyU are observing the police.

Frontline protesters at PolyU are looking at police. Protesters examine each other’s masks.

Water is being poured into a bag that will be used to contain fired tear gas cartridges by frontline protesters.

Frontline protesters at PolyU are looking at police. Protesters examine each other’s masks.

A protester, surrounded by petrol bombs, is staring at police.

A protester watches the cops from the window.

Protesters at PolyU navigate through dust clouds created by police tear gas.

Protesters at PolyU navigate through dust clouds created by police tear gas.

Protesters at PolyU navigate through dust clouds created by police tear gas.

Protesters at PolyU navigate through dust clouds created by police tear gas.

A medical volunteer is assisting a Hong Konger who has been caught in a cloud of tear gas.

Against the police, the PolyU protesters are defending their position.

Against the police, the PolyU protesters are defending their position.

As he faces the cops, a protester holds a petrol bomb.

A protester is hurling a petrol bomb at the police.

A protester is hurling a petrol bomb at the police.

A protester is hurling a petrol bomb at the police.

A medical volunteer assists another volunteer who has been injured by police tear gas and protester-thrown petrol bombs. A volunteer is administering water on another volunteer’s damaged hand.

Police and protesters at the PolyU are in a stalemate.

Locked in a seemingly endless stalemate against the police, the protesters are getting tired under the scorching heat.

The protesters at the PolyU are engaged in a fight against Hong Kong Police.
Their faces can be seen through the masks that they are wearing.

The protesters at the PolyU are engaged in a fight against Hong Kong Police.
Their faces can be seen through the masks that they are wearing.

Protesters are stockpiling petrol bombs on the side of the road, intending to use them on police.

Hong Kong police choose to use water cannons to dissolve the resistance effort.

Protesters are flinging bricks and petrol bombs at the arriving anti-riot police.

Water cannons spray the PolyU campus in blue liquids.

Protesters are flinging bricks and petrol bombs at the arriving anti-riot police.

Protesters are flinging bricks and petrol bombs at the arriving anti-riot police.

Protesters are flinging bricks and petrol bombs at the arriving anti-riot police.

During the protest, one newsreporter suffers a head injury. He is receiving first assistance from nearby medical volunteers.

A newsreporter’s head is injured and bleeding. The straps of the helmet are stained with blood.

An artist chooses to sketch images to document the night’s events.

To combat the cops, a protester is preparing petrol bombs.

A protester is hurling a petrol bomb at police officers.

Water cannon directly hits one protester. The protester’s body is covered in blue.